Sony DAV-DZ3K / HCD-DZ3K Service Manual ▷ View online
5
HCD-DZ3K
loading panel
tapering driver
HOW TO OPEN THE DISC TABLE WHEN POWER SWITCH TURNS OFF
Insert a tapering driver into the aperture of the unit bottom, and slide it in the direction of the arrow.
CN3002
MAIN BOARD
POWER BOARD
CN902
RED
BLACK
C903
C939
C933
C932
Discharge the charged electricity in capacitors to prevent electric shock as follows
When disassembling the machine, be sure to discharge the charged electricity in the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
POWER board
C903 : 600V
C932, C933, C939, CN902 : 30V
C903 : 600V
C932, C933, C939, CN902 : 30V
MAIN board
CN3002 : 30 V
CN3002 : 30 V
(Parts face side)
(Parts face side)
*
Connect the specified resistor
between black and red leads
6
HCD-DZ3K
Fix the capacitors with adhesive agent as follows
Fixing the capacitors with adhesive agent is required by the safety regulation.
Be sure to fix the capacitors with adhesive agent when part or circuit board is replaced.
Be sure to fix the capacitors with adhesive agent when part or circuit board is replaced.
POWER BOARD
C910
C924
IC921
C930
PRECAUTION WHEN INSTALLING A NEW OP UNIT /
PRECAUTION BEFORE UNSOLDERING THE STATIC ELECTRICITY
PREVENTION SOLDER BRIDGE
PRECAUTION BEFORE UNSOLDERING THE STATIC ELECTRICITY
PREVENTION SOLDER BRIDGE
When installing a new OP unit, be sure to connect the flexible printed circuit board first of all before removing the static
electricity prevention solder bridge by unsoldering. Remove the static electricity prevention solder bridge by unsoldering
after the flexible printed circuit board has already been connected.
(Do not remove nor unsolder the solder bridge as long as the OP unit is kept standalone.)
electricity prevention solder bridge by unsoldering. Remove the static electricity prevention solder bridge by unsoldering
after the flexible printed circuit board has already been connected.
(Do not remove nor unsolder the solder bridge as long as the OP unit is kept standalone.)
7
HCD-DZ3K
JACK board
CAP (POWER)
wire (flat type)
13core (CNP802)
13core (CNP802)
connector (CNP801)
six screws (+BVTP 2.6)
two screws
(+BVTP 2.6)
(+BVTP 2.6)
BUTTON BASE (POWER)
SW board
BUTTON BASE
(PLAY)
(PLAY)
CAP (PLAY)
CAP (AMS)
CAP (FUNC)
Precaution when replacing the CAP
Please apply the adhesive agent to the BUTTON BASE (PLAY) when replacing the CAP (PLAY) or CAP (FUNC) or CAP (AMS).
Please apply the adhesive agent to the BUTTON BASE (POWER) when replacing the CAP (POWER).
Please apply the adhesive agent to the BUTTON BASE (POWER) when replacing the CAP (POWER).
8
HCD-DZ3K
MAIN BOARD
POWER BOARD
Precaution on the connector processing of the POWER board.
AC IN
1
3
1
12
After twist the harness once,
install the connector.
install the connector.
POWER board
MAIN board
(Parts face side)
(Parts face side)
IC504
CN506
CN3002
CN902
CN901
CN904
IC941
IC942
IC943
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